The Acc U Rate Pro Series CMS 500DL Fingertip Pulse Oximeter is manufactured according to the CE and FDA standards set for pulse oximeters used by doctors and other health professionals. Designed for sports enthusiasts, pilots or anyone who wants to obtain their SpO2 (Blood Oxygen Saturation Levels) and PR (Pulse Rate) on the go, the pulse oximeter LED display now faces the user so that the user can read it easily. We have also upgraded many internal hardware and software components of the pulse oximeter. Taking a reading is easy, just clip it on to your finger and turn it on at the press of a button. The large LED display makes viewing the results a snap. Its small size makes it easy to carry around and a lanyard is also included for added convenience. Comes with 2 AAA batteries and a silicon cover to protect your pulse oximeter from dirt and damage. Acc U Rate is a registered trademark of USPTO. We will actively and aggressively pursue any parties who infringe on our intellectual property rights to the maximum extent allowed by the law. Beware of Imitation, Buy Original. Due to the influx of fake Acc U Rate products, please note that the warranty is void if the item is not purchased from Med Shop and Beyond. Acc U Rate Pulse Oximeter is designed in USA. This device is for Sports & Aviation use only and is not a medical device.